Home / 36,800.79-55,209.39-13,427.22

Finding the Fourth Proportional to 36,800.79, 55,209.39 and 13,427.22

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Solution

The fourth proportional to 36,800.79, 55,209.39 and 13,427.22 is: 20,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,800.79 : 55,209.39 = 13,427.22 : x
  2. Step 2: Convert to fraction form
    36,800.79/55,209.39 = 13,427.22/x
  3. Step 3: Cross multiply
    36,800.79x = 55,209.39 × 13,427.22
  4. Step 4: Simplify right side
    36,800.79x = 741,308,625.60
  5. Step 5: Solve for x
    x = 741,308,625.60/36,800.79
  6. Step 6: Final answer
    x = 20,143.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.